======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '286'
                                          'artist'  'Breakbeat Era'
                                     'text_people'  ''
                                         'release'  'Bullitproof (CD Maxi Single)'
                                           'title'  'Bullitproof (Roni Size/DJ Die Instrumental mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['breakbeat', 'drum and bass', 'dnb', 'electronic', '11']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '85.0'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Bullitproof (CD Maxi Single)'
'TBPM' (BPM (beats per minute))                     '85.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Bullitproof (Roni Size/DJ Die Instrumental mix)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Breakbeat Era'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '000,185'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['breakbeat', 'drum and bass', 'dnb', 'electronic', '11']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.08 dB'
'TXXX:replaygain_track_peak'                        '0.570274'

========================== row from database ==========================
                                              'id'  1381243
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/Breakbeat Era/Breakbeat Era__Bullitproof (CD Maxi Single)__Bullitproof (Roni Size_DJ Die Instrumental mix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  286
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  6867089
                                           'mtime'  1621696433
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb Era__Bullitproof Single)__Bullitproof Size_DJ electronic th breakbeat or dnb or jungle
                                      'tag_artist'  Breakbeat Era
                                     'tag_release'  Bullitproof (CD Maxi Single)
                                       'tag_title'  Bullitproof (Roni Size/DJ Die Instrumental mix)
                                             'bpm'  85.0
                                    'search_title'  'bullitproof':1 'die':7 'dj':5 'instrumental':8 'mix':9,10 'roni':2,3 'size':4 'sizedj':6
                                   'search_artist'  'breakbeat':1 'era':2
                                  'search_release'  'bullitproof':1 'cd':2,3 'maxi':4 'single':5,6
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 'breakbeat':13 'bullitproof':4,6,8 'dj':10 'dnb':15 'electronic':11 'era':3 'jungle':16 'or':14 'single':5,7 'size':9 'th':12
                                    'search_combo'  '00dnb':20 '00poprockelectronic':19 'breakbeat':11B,31 'bullitproof':1A,13C,22,24,26 'cd':14C,15C 'die':7A 'dj':5A,28 'dnb':33 'electronic':29 'era':12B,21 'instrumental':8A 'jungle':34 'maxi':16C 'mix':9A,10A 'or':32 'roni':2A,3A 'single':17C,18C,23,25 'size':4A,27 'sizedj':6A 'th':30
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['breakbeat', 'drum and bass', 'dnb', 'electronic', '11']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696433.262503  (2021-05-22 17:13:53)
                             'size'  6867089